| GAT | generic activity type(numbers) | 通用型活动码 |
| GAT | General Aviation Transportation | 通用航空运输 |
| GAT | Guidance Automation Toolkit (Microsoft Visual Studio 2005) | 指南自动化工具包(Microsoft Visual Studio 2005) |
| GAT | Gatling Gun | 加特林枪 |
| GAT | General Air Traffic | 一般空中交通 |
| GAT | Guidance, Apportionment, and Targeting | 指导、分配和目标 |
| GAT | Ground Attack Tactics | 对地攻击战术 |
| GAT | Government Acceptance Test | 政府验收测试 |
| GAT | Graphics Art Team | 图形艺术团队 |
| GAT | Greenwich Apparent Time | 格林威治视在时间 |
| GAT | General Any Topic (forum website) | 一般任何主题(论坛网站) |
| GAT | Gin And Tonic | 杜松子酒和滋补品 |
| GAT | Gamers Against Terrorism | 反恐怖主义玩家 |
| GAT | Groupe des Assurances de Tunisie (Tunisian Insurance Company) | 突尼斯保险公司 |
| GAT | Girl About Town | 女孩关于城市 |
| GAT | General Achievement Test (Australia) | 一般成就测试(澳大利亚) |
| GAT | Graphical ASCII Toolkit | 图形ASCII工具包 |
| GAT | Gate-Assisted Thyristor | 栅极辅助晶闸管 |
| GAT | Generic Application Template | 通用应用程序模板 |
| GAT | Gravity Assist Trajectory | 重力辅助轨迹 |
| GAT | Gifted And Talented | 天才儿童 |
| GAT | gerontological apperception test | 老年统觉测验 |
| GAT | Guided Academic Time | 指导学习时间 |
| GAT | GSM, AMPS, and TDMA | GSM、AMPS和TDMA |
| GAT | Graduate Assessment Test | 毕业生评估测试 |
| GAT | Gressorial Armament Tactical (Mobilesuit Gundam gaming) | Gressocial Armment Tactical(机动服Gundam游戏) |
| GAT | gross agglutination test | 粗凝集试验 |
| GAT | Ground-to-Air Transmitter | 地对空变送器 |
| GAT | growth agglutination test | 生长凝集试验 |
| GAT | Group Audio Terminal(s) (ITU-T P.300) | 组音频终端(ITU-T P.300) |
| GAT | Group of Anaesthetists in Training | 培训中的麻醉师小组 |
| GAT | gas antitoxin | 气体抗毒素 |
| GAT | Ground Assault Tank (Star Wars) | 地面突击坦克(星球大战) |
| GAT | General Admission Ticket | 普通入场券 |
| GAT | group adjustment therapy | 群体调节疗法 |
| GAT | Geek of All Trades | 所有行业的极客 |
| GAT | Gap, France | Gap,法国 |
| GAT | Global Access Table | 全局访问表 |
| GAT | General Any Topic | 常规任何主题 |
| GAT | Global Air Traffic | 全球空中交通 |
| GAT | gentamicin acetyl transferase | 庆大霉素乙酰转移酶 |
| GAT | General Anything Topic (general discussion forums) | 一般任何话题(一般讨论论坛) |
| GAT | gelatin agglutination test | 明胶凝集试验 |
| GAT | Gratias Ago Tibi (Latin: thank you) | Gratias Ago Tibi(拉丁语:谢谢) |